Finding the Fourth Proportional to 1,396,126.13, 1,926,655.88 and 792,514.13
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Solution
The fourth proportional to 1,396,126.13, 1,926,655.88 and 792,514.13 is: 1,093,670.53
Step by Step Solution
- Step 1: Write the proportion equation
1,396,126.13 : 1,926,655.88 = 792,514.13 : x - Step 2: Convert to fraction form
1,396,126.13/1,926,655.88 = 792,514.13/x - Step 3: Cross multiply
1,396,126.13x = 1,926,655.88 × 792,514.13 - Step 4: Simplify right side
1,396,126.13x = 1,526,901,994,951.73 - Step 5: Solve for x
x = 1,526,901,994,951.73/1,396,126.13 - Step 6: Final answer
x = 1,093,670.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.